OpenTechnical

OT-2026-000014667

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000014667) never changes.

Identity and time

Publication numberOT-2026-000014667 · never reused
Internal UUID01a0ae6d-d093-7c07-83d6-d2ab180334f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014667
StatusPUBLIC

Content hashes

Canonical textcc4dfd0918345f62185e21efac693d3742a012710fca66f51f12648c3cc3496a
Markdown8d37325334af28f07e2dd431e0b437a714e2bb05df4788c514139676cb630ce6
PDF
Publication pagec92d2d10d17d7cc27710f017e00724807d03adaa353a9edfcaacd97e60c5ed2a
Manifest5480eaadafcc9b5f6572125b26bdc1e058515f09b324015a2b26bcc7a3dd47c0

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturePc7hU0x7ctFUw2LzNMMX2PpWg2241KH2smEEgPIHsZ3OkzP2UcAvBRU6H1/l8BPKWCiA/yydUemD9A+dOoKkBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:43:16.967449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014667
observed c92d2d10d17d7cc27710f017e0072480...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:43:16.242175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014667/manifest.json
observed 5480eaadafcc9b5f6572125b26bdc1e0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:43:15.773851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014667/publication.md
observed 8d37325334af28f07e2dd431e0b437a7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:43:15.295449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014667/publication.txt
observed cc4dfd0918345f62185e21efac693d37...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.